#define _CRT_SECURE_NO_WARNINGS 1
class Solution {
public:
	vector<vector<int>> threeSum(vector<int>& nums) {
		vector<vector<int>> result;
		sort(nums.begin(), nums.end());
		for (int i = 0; i < nums.size(); i++)
		{
			if (nums[i] > 0)
			{
				return result;
			}

			if (i > 0 && nums[i] == nums[i - 1])
			{
				continue;
			}

			int left = i + 1;
			int right = nums.size() - 1;
			while (left < right)
			{
				if (nums[i] + nums[left] + nums[right] > 0) right--;
				else if (nums[i] + nums[left] + nums[right] < 0) left++;
				else
				{
					result.push_back(vector<int>{nums[i], nums[left], nums[right]});
					while (right > left && nums[right] == nums[right - 1]) right--;
					while (right > left && nums[left] == nums[left + 1]) left++;

					right--;
					left++;
				}
			}
		}
		return result;
	}
};